-ru Godan/u-verb

1. to turn; to rotate; to revolve; to spin
2. to go around; to circle; to revolve around; to orbit
3. to make the rounds (of); to go around (several places); to travel around; to make a tour of; to patrol
4. to go by way of; to go via; to stop by (on the way); to take a roundabout route; to make a detour
5. to move around (to another place or position); to come around; to go over (e.g. to the opposing side)
6. to come around (of one's turn); to be passed around (of a cup, circular, etc.)
7. to function; to work well
8. to spread; to extend (to; e.g. of one's attention); to reach; to take effect (of alcohol, poison, etc.)
9. to pass (a time); to turn (e.g. 5 o'clock)
10. to earn interest

suffix

11. to ... around; to ... about (after -masu stem of verb)

-ru Godan/u-verb

1. to go around; to make a circle around
2. to surround; to circle; to enclose
3. to come around (of a season, anniversary, turn, etc.); to return; to repeat; to circulate (of blood, money, etc.)
4. to travel around; to make a tour of
5. usually kana to concern (a matter); to surround